[GMB] Fernald, 1970
Gray's Manual of Botany (8th edition); A Handbook of the Flowering Plants and Ferns of the Central and Northeastern United States and adjacent Canada

[GNSP] Wielgorskaya, 1995
Dictionary of generic names of seed plants

If you have corrections, comments or
information to add into these pages, just send mail to
Markku Savela
Keep in mind that the taxonomic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.